#include <stdio.h>

int main(int argc, char const *argv[])
{
    printf("age:%d\n",18);
    printf("score:%.2f\n",85.5);
    printf("gender:%c\n",'M');
    printf("str:%s\n","hello");
    int addr = 0x68;
    printf("addr:0x%x\n",addr);

    printf("%d\n",'0');

    return 0;
}
